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115050121 = 532170757
BaseRepresentation
bin1101101101110…
…00011010001001
322000111011002121
412312320122021
5213423100441
615225531241
72564624044
oct666703211
9260434077
10115050121
1159a4094a
1232643b21
131aab2bc4
14113cbc5b
15a178dd1
hex6db8689

115050121 has 4 divisors (see below), whose sum is σ = 117220932. Its totient is φ = 112879312.

The previous prime is 115050119. The next prime is 115050151. The reversal of 115050121 is 121050511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57214096 + 57836025 = 7564^2 + 7605^2 .

It is a cyclic number.

It is not a de Polignac number, because 115050121 - 21 = 115050119 is a prime.

It is a super-2 number, since 2×1150501212 = 26473060684229282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115050095 and 115050104.

It is not an unprimeable number, because it can be changed into a prime (115050151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085326 + ... + 1085431.

It is an arithmetic number, because the mean of its divisors is an integer number (29305233).

Almost surely, 2115050121 is an apocalyptic number.

It is an amenable number.

115050121 is a deficient number, since it is larger than the sum of its proper divisors (2170811).

115050121 is an equidigital number, since it uses as much as digits as its factorization.

115050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170810.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 115050121 is about 10726.1419438678. The cubic root of 115050121 is about 486.3650508549.

The spelling of 115050121 in words is "one hundred fifteen million, fifty thousand, one hundred twenty-one".

Divisors: 1 53 2170757 115050121